That probably means they're good. At day 16, they're not going to take up the entire egg yet, so it's normal for it to seem really dark on one side, and not on the other.Hello im on day 16 and see dark blobs in the eggs. But my question is if i turn the egg all around its dark on one side but lighter on the other. My eggs are brown which makes it harder to see. So are my eggs bad and thats why they are dark on one side or what? LOL
This link shows candling day by day. It's soooo helpful. https://www.backyardchickens.com/t/...g-candling-pics-progression-though-incubation